Home / 2,922.36-4,030.72-1,859.07

Finding the Fourth Proportional to 2,922.36, 4,030.72 and 1,859.07

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Solution

The fourth proportional to 2,922.36, 4,030.72 and 1,859.07 is: 2,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.36 : 4,030.72 = 1,859.07 : x
  2. Step 2: Convert to fraction form
    2,922.36/4,030.72 = 1,859.07/x
  3. Step 3: Cross multiply
    2,922.36x = 4,030.72 × 1,859.07
  4. Step 4: Simplify right side
    2,922.36x = 7,493,390.63
  5. Step 5: Solve for x
    x = 7,493,390.63/2,922.36
  6. Step 6: Final answer
    x = 2,564.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.